CVE-2026-42479
| Summary |
An out-of-bounds read vulnerability in VrmlData_IndexedLineSet::TShape in the VRML parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows attackers to cause a denial of service via a crafted VRML file. The issue occurs because coordIndex values from parsed input are used as direct array indices without validation against the size of the coordinate array during geometry processing.
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| Publication Date |
May 2, 2026, 12:16 a.m. |
| Registration Date |
May 2, 2026, 4:07 a.m. |
| Last Update |
May 2, 2026, 2:48 a.m. |
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CVSS3.1 : MEDIUM
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| スコア |
5.5
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| Vector |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| 攻撃元区分(AV) |
ローカル |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
不要 |
| 利用者の関与(UI) |
要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
なし |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
高 |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:opencascade:open_cascade_technology:*:*:*:*:*:*:*:* |
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7.9.3 |
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| cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:beta1:*:*:*:*:*:* |
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| cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc1:*:*:*:*:*:* |
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| cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc2:*:*:*:*:*:* |
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| cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc3:*:*:*:*:*:* |
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| cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc4:*:*:*:*:*:* |
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| cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc5:*:*:*:*:*:* |
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Related information, measures and tools
Common Vulnerabilities List